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Finding the Fourth Proportional to 1,046,996,891.80, 1,570,495,337.70 and 885,753,755.80

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Solution

The fourth proportional to 1,046,996,891.80, 1,570,495,337.70 and 885,753,755.80 is: 1,328,630,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,996,891.80 : 1,570,495,337.70 = 885,753,755.80 : x
  2. Step 2: Convert to fraction form
    1,046,996,891.80/1,570,495,337.70 = 885,753,755.80/x
  3. Step 3: Cross multiply
    1,046,996,891.80x = 1,570,495,337.70 × 885,753,755.80
  4. Step 4: Simplify right side
    1,046,996,891.80x = 1,391,072,143,834,164,224
  5. Step 5: Solve for x
    x = 1,391,072,143,834,164,224/1,046,996,891.80
  6. Step 6: Final answer
    x = 1,328,630,633.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.